Edge of Grey: Book Six of the Alexis Stanton Chronicles

When you take away a woman's soulmate, you take away her purpose.

When White is taken from Alex, she finds a new purpose. Cast aside by her former partners, she will hunt down everyone responsible for her loss and Make. Them. Pay.

Harder… darker… at the edge of sanity. But still the world’s most notorious assassin. Penumbra will have her reckoning.